Home / 159,931,389.78-239,897,087.28-38,762,841.78

Finding the Fourth Proportional to 159,931,389.78, 239,897,087.28 and 38,762,841.78

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Solution

The fourth proportional to 159,931,389.78, 239,897,087.28 and 38,762,841.78 is: 58,144,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,931,389.78 : 239,897,087.28 = 38,762,841.78 : x
  2. Step 2: Convert to fraction form
    159,931,389.78/239,897,087.28 = 38,762,841.78/x
  3. Step 3: Cross multiply
    159,931,389.78x = 239,897,087.28 × 38,762,841.78
  4. Step 4: Simplify right side
    159,931,389.78x = 9,299,092,837,717,490
  5. Step 5: Solve for x
    x = 9,299,092,837,717,490/159,931,389.78
  6. Step 6: Final answer
    x = 58,144,263.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.